Update credits generation script

package.json

@@ -53,6 +53,7 @@
     "cordova-plugin-inappbrowser": "^4.1.0",
     "cordova-plugin-nativestorage": "^2.3.2",
     "cordova-plugin-velda-devicefeedback": "0.0.2",
+    "generate-license-file": "^2.0.0",
     "phonegap-plugin-barcodescanner-android12": "^8.1.2"
   }
-}
+}

scripts/generate_credits.sh

@@ -1,11 +1,8 @@
 #!/bin/bash
 
-echo "Generating credits files..."
+echo "Generating credits file..."
 
-cd www
-yarn licenses generate-disclaimer > ../license-credits.md
-cd ..
-yarn licenses generate-disclaimer >> license-credits.md
+npx generate-license-file --ci --no-spinner --input www/package.json --output license-credits.txt --overwrite
 
 cp www/pages/credits.template.html www/pages/credits.html
-sed -e "/{{credits}}/r license-credits.md" -e "/{{credits}}/d" -i www/pages/credits.html
+sed -e "/{{credits}}/r license-credits.txt" -e "/{{credits}}/d" -i www/pages/credits.html